Geography and Natural Resources

, Volume 36, Issue 3, pp 263–270 | Cite as

Hydrologo-geomorphological analysis of landscape formation within the selenga river delta

  • E. I. Ilyicheva
  • O. V. Gagarinova
  • M. V. Pavlov
Research in the Baikal Watershed


We examine the causes for changes in the delta surface and carry out an analysis of the area characteristics for the last 50 years. It is shown that the dynamicity of the subaerial delta surface, caused by contemporary erosion-accumulation processes, manifests itself most clearly at periods of increased hydraulicity, which promotes restructuring of the relief in elevation and plan, and of the hydrographic network. We investigate the interrelations of particular landscape components with the hypsometric position, the location relative to the main elements of the hydrographic network of the delta, and with the humidification conditions of the territory. Data are provided for the distribution and structural composition of the key vegetation species in accordance with the hydrologo-geomorphological properties of their habitat. It is found that the structural and age characteristics of plant complexes can be used to determine the transformation dynamics of topographic features and, in the future, to indicate the intensity and time intervals of delta surface reconfiguration. Based on observational evidence and remote sensing data, we carried out a landscape-hydrologo-geomorphological regionalization of the delta surface, the principal criterion of which were the intensity and directedness of the leading Hydromorphological processes. A zoning of the subaerial delta surface was instrumental in identifying different (in resistance to erosional changes) tracts of the delta and recommending the most acceptable of them for economic development of the territory.


river network relief channel process hydrological regime surface waters 


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Copyright information

© Pleiades Publishing, Ltd. 2015

Authors and Affiliations

  • E. I. Ilyicheva
    • 1
  • O. V. Gagarinova
    • 1
  • M. V. Pavlov
    • 1
  1. 1.Institute of Geography, Siberian BranchRussian Academy of SciencesIrkutskRussia

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